Home / 13,464.63-18,580.58-7,717.96

Finding the Fourth Proportional to 13,464.63, 18,580.58 and 7,717.96

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Solution

The fourth proportional to 13,464.63, 18,580.58 and 7,717.96 is: 10,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.63 : 18,580.58 = 7,717.96 : x
  2. Step 2: Convert to fraction form
    13,464.63/18,580.58 = 7,717.96/x
  3. Step 3: Cross multiply
    13,464.63x = 18,580.58 × 7,717.96
  4. Step 4: Simplify right side
    13,464.63x = 143,404,134.63
  5. Step 5: Solve for x
    x = 143,404,134.63/13,464.63
  6. Step 6: Final answer
    x = 10,650.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.